Kate wore her military green Barbour jacket, but that couldn't distract us from her cozy Temperley London turtleneck, a sweater with contrast honeycomb detail at the collar and sleeves. Since Kate's expecting, it's important for her to keep a few designs like this one in her wardrobe, but it's equally important for you to stock up on eye-catching tunics this season. Read on to catch another glimpse of Kate's outfit, accessorized with her sapphire engagement ring and Kiki Lauren heart-shaped earrings, then shop the clear winning essential here.